A man travelled two fifth of his journey by train, one–third by bus, one–fourth by car and the remaining 3 km on foot. What is the length of his total journey?
Let his total journey length be x.
∴ Then, Distance travelled by train 
Travelled by bus 
and travelled by car 
x.
∴ Total journey travelled by train, bus and car 
∴ Remaining journey 
According to the question, remaining journey is 3km.
∴ 
⇒ x = 3 × 60 = 180 km
Hence, the length of his total journey = 180km.
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